import { 
    Dimensions,
    PixelRatio
} from 'react-native';
global.w=Dimensions.get('window').width
global.h=Dimensions.get('window').height
global.pxtodpW=(size)=>{
  return (size*w)/750
}
global.pxtodpH=(size)=>{
  return (size*h)/1334
}
global.token=''
global.user_info={};
global.userMessage = {};
global.collection_ischange=1
